Reversing-gearing.



H. A. TUTTLE.

REvERsxNG GEARING.

APPLICATION `FILED FEB. V9, 1912. 1,168,764, 1 Patented Jan. 18, 1916.

2 SHEETS-SHEET I.

Zwin/casses; faveizorz' @MW v W/@f THE COLUMBIA PLANOGRAPH co1. WASHINGTON. D. cA

H. A. TUTTLE.

REVERSING GEARING.

APPUCATlON FILED FEB.19|1912. 1,168,764. Patented 5311.18, v1916.

2 SHEETS-SHEET 2- Zbivesses.' Jwvewom' TME COLUMBIA PLANOGRAPH e0.. WASHINGTON. D. c.

ED STATS PATENT FFUE,

HENRY A. TUTTLE, OF TAUNTON, MASSACHUSETTS, ASSIGNOR TO EVANS STAMPING &

PLATING COMPANY, OF TAUNTON, MASSACHUSETTS, A CORPORATION OF 'MASSA- REVERSING-GEARING.

To all whom t may concern:

Ee it known that 1, HENRY A. Turrini, a citizen of the United States, residing at riaunton, in the county of Bristol and State of Massachusetts, have invented an 1mproveinent in Reversing-Gearing, of which the following is a specification.

rl`his invention relates to reversing-gezin ing to connect a continuously rotating shaft with another shaft, as for instance, an engine-shaft with a propeller-shaft, whereby the latter may be driven forward or backward or may remain idle, and is intended as an improvement upon the reversing-gearing shown in Letters Patent #901,66a, dated October' 20, 1908, andy in my application for Letters Patent #629596, filed May 26, 1911. ln said patent clu tch-mechanism is employed to connect the inclosing-case bearing the pinions, and usually termed they pinion-carrier, with the internal gear which is secured to lthe driven-shaft, thereby connecting said case with the driving-shaft, in order that the driven-shaft may be turned forward, and said clutch-mechanism is arranged outside of said case and is exposed and is also objectionable for the reason that'it is not as powerful as is required for reversing-gearing of large dimensions; and` in said application a more powerful form of clutchmechanism is employed comprising a plurality of axially `movable friction clutchplates which are arranged within the case, but this latter construction, however, necessitates the case or pinion-carrier being moved axially when operating the clutch, which is objectionable.

rlhe present invention has for its object to provide a powerful form of clutchmechanism comprising a plurality of axially movable friction clutch-plates and to inclose the same within the case, and to provide an independent axially movable element to move said clutch-plates axially in one direction for engagement, and to permit movement thereof in the opposite direction for disengagement, said element being arranged for connection with the driven-shaft, either by connecting it with the internaly gear which is secured to the driven-shaft or by connecting it directly with the driven-shaft, both forms of connection being here shown, although the connection with the internal gear is preferred.` The means herein provided for moving-the clutch-operating ele-` Speccation of Letters Patent.

Patented Jan. 18,1916.

Application led February 19,y 1912. Serial No, 678,569.

ment axially is similar to that shown in my aforesaid application, but is constructed and arranged 'to move said element inboth directions positively, thereby to cause said element when moved in one direction to move the clutch-plates into vengagement and when moved in the opposite direction to insure entirely'relieving'the pressure or thrulst upon said plates and permitting of their disengagement to such extent as to prevent any dragging action.

Figure 1 is a longitudinal vertical section of a reversing-'gearing embodying this invention, the clutchlbeing in engaging pos ition. F ig. 2 is a longitudinal vertical section and partial elevation of the same, the clutch being disengaged. Fig. 3 is a transverse vertical section taken on the dotted line 3-3 Fig. 1. Figs. 4 and 5 represent the friction clutch-plates which may be employed. F ig. 6 is a longitudinal vertical section of the axially movable clutch-operating element arranged for direct connection with the driven-shaft. f

As here shown, the driving-shaft ci, spurgear a secured to it having at one side an elongated hub ft2 y and `at the other side a short hub at, said shaft terminating approximately flush with the end of said short hub et, the several pinions b arranged about said spur-gear andy in engagement therewith, and the studs Za with bushings thereon on which said pinions freely rotate, are all substantially asshown in said patent. The studs b are fixed to the end wall b2 of the inclosing-case, of which f represents the cylindrical body, and f the opposite end wall. The pinions b also engage the teeth of an internal gear CZ, having a hub CZ which is secured to the driven-shaft e, said internal gear being arranged within the cylindrical body f of the case or pinioncarrier. rllhe driven-shaft e is made quite long, and is ordinarily employed as the propeller-shaft, and its inner end terminates adjacent the end of the driving or engineshaft a. The internal gear is designed to be rotated by the pinions, thereby to rotate the driven-shaft e forward and backward, or said internal gear may remain idle and the driven-shaft e consequently remain idle.

When the pinions are rotated about their axes in directions opposite to the direction of rotation of the spur-gear said internal gear will be driven backward or in a direction opposite lto the direction of rotation of the driving-shaft; when said-pinions are revolved about the axis ofthe driving-shaft with and by the spur-gear and in the same direction as that in which the spur-gear is rotated, said internal gear will be driven forwardk or in thesame direction as that in which 'the driving-shaft is rotated; when said pinions are rotated about their axes and also revolved about the axis of the drivenshaft said internal gear remains idle.V

The internal gear loosely fits the cylindrical body j' of the` pinion-carrier or case, and both said gear and pinion carrier are free'to rotateindependently of each other, but when it is desired to ldrive the drivenshaft forward in the same ldirection as that in which the driving-shaft is rotating, the

l' pinion-carrier or case is connected with one Cit of the shafts, so that its pinions will be revolved about the axis of the driving-shaft with and by the 'spur-gear, and as here shown, said pinion-carrier or case is ,designed to be .connected with the driven- 1 shaft.

v is shown in my application aforesaid, but

in that instance the pinion-carrier or casey is movable axiallyto operate the members of the clutch. In the present instance axial movement of the pinion-carrier or case is avoided and other operating means provided for the clutch-mechanism; whereby the operation of the clutch-members is much more positive, saidoperating-means being moved positively in both directions for engagement of the'clutch-members and to permit of theirv disengagement. The cylindrical body f of the case is extendeda considerable distance beyond the end or crown'of the internal gear to form a large space between said gear and the wall f of the case, and in said space the clutch-mechanism is arranged.'

The clutch-members consist of a plurality of friction clutch-plates 47,48, arranged alternately with respect to each other, and said plates are arranged between the end wall f of the case and an axially movable plate 40. The end wall f is held against axial movement, but the plate 40 is movable axially to in turn move the clutch-plates axially for engagement. The plate 40 is made circular, and has a hub 41 which embraces the driven-shaft e, and said hub is made quite long and extends through a ycenter holein the end wall y, so that one end of Figs. l and `2, but engagen'ient with the internal gear will be'continuous.' Someof the clutch-plates are arranged to slidably engage tlie interior of the pinion-carrier or case, and others to slidably engage the exterior of a collar 44, arranged'on and'secured to the hub 4l, of the axially movable clutch-operating member, and, herein, the clutch-plates 48, are made as'rings, see Fig. 5, with teeth on their'inner edges which engage teeth forined on the cellar 44, and-the clutch-plates 47 are` made as rings, see Fig. 4, with teeth on their outer edges which engage teeth'formed on the interior of the cylindrical body f of the pinion-carrier or case, thus slidably connecting the clutchplates respectively with the collarand pinion carrier or case.v As the collar is secured to the hub of theA axially movable clutchoperating member 40, and said member iscontinuously in engagement with thel inter- Y nal gear, and assaid internal gear is secured to the driven-shaft'it will be noted that the clutch-plates 48 are indirectly connected with the driven-shaft, whereas the clutchplates 47 are connected with the pinion-cai'- rier or case, so that when the clutch-plates aie in engagement' the pinion-carrier or case is connected with the internal gear, and hence with the driven-shaft.

Referring to F ig. 6, the vaxially movable clutch-operating member is represented as devoid of the lugs 42, but in lieu thereof its hub is arranged to receive a key by which it is secured directly to the driven-shaft but movable longitudinally with respect thereto and a` direct connection thereby produced. To move the clutch-operating member 4() axially in both directions means are here shown constructed somewhat similar to the means shown in my aforesaid application, but having the additional function of 'moving the clutch-operating member in both directions, and, as here shown, the hub 4l of the clutch-operating member which extends through tlie rcenter-hole in the end wall f" is further extended for a consider abledistance, see Figs. l and 2, and has arranged on it a threaded collar it, which is adjustable thereon, andan annular vplate Cil lie

ineens-i it, adjacent said collar which is recessed at several places to receive a screw it, which projects from the inner face olf said collar, thus permitting adjustment ot said plate. .tiaid plate al has key-ways to receive the square heads of pins (Z2, andy also is cut away on its side opposite the collar to receive a ring 7h20, which is recessed at several places to receive projections vl on operating-levers e" which levers are pivoted at z2 to ears to.

formed on and extended outwardly from the end wall f oi the pinion-carrier or case. To the outer bifurcatcd ends of said levers c" obtuse angled links 66 are pivotally connected, said links having elongated slots 6 8, which receive pins 69 extended laterally troni ears 70 projecting from the hub 710i a thrust-collar 72, mounted loosely on the driven-shaft e, and adapted to be moved longitudinally thereon. Said thrust-collar receives a yoke 73k having pins Tl extended 'from it in opposite Ways, which enter notches 75 formed in the extremities of arms 76 oi the actuating-lever 78, fulcrumed rat 79, in ears S0, formed on and projecting :from an outer protecting shell which is provided ior the gearing. lvlovement of the actuatinglever 7S in the one direction, as Jfor instance, toivard the lei't from vertical, see Fig. l, operates to slide the thrust-collar along on the shait e in the opposite direction, thereby to move the links 66 and in turn move the levers and cause the projections on said levers to engage and move the ring 7h20 land adjacent parts in a direction toward the`r right, thereby to correspondingly move the clutch-operating member to move the clutch-plates axially into engagement With each other and With the e'nd Wall. f ofV the pinion-carrier or case.` Movement of said actuating-lever 78 back to vertical or neutrall position, see dotted lines F ig. 2, operates to move the thrust-collar in a direction toward the left a short distance to move the links G6 into the :full line position there shown, and thereby move the operating-levers to disengage the ring 71,20 permitting a slight axial movement oi the clutch-operating plate d0, suilicient to relieve the pressure upon the clutch-plates; movement of said actuatinglever to the right of its vertical. or neutral position operates. tomove the thrust-collar farther in a direction toward the left, to cause the end oli the hub of the thrust-collar to engage the end of the hub il of the clutchoperating niember, ,thereby to move said member a short distance in a direction toward the lett to positively insure disengagement of the clutch-plates and during such movement the pins 69 move along in the slots inthe links until they arrive'at the ends of said slots, thus limiting the movenient. Herein the brake-mechanism for the pinion-carrier or case has an operatingmember a which is connected by a link??? with the actuating-lever 78, and it is important to insure the disengagement of the clutch before the brake-mechanism is moved into engagement with the pinion-carrier or case. Sometimes when the actuating-inem'- ber is moved from clutch-engaging position to neutral, the clutch plates drag or chai'e, but by a quick `throw of said member through neutral and into reversing position and then back to neutral, the clutch operating-member will be engaged by the end of the thrust-collar, and will be positively moved yto allow for the normal separation of the clutch-plates. y

The several structural features here shovvn which are disclosed in my aforesaid application are notv herein claimed. l

I claim 1. In a reversing-gearing, a driving-shaft,

a driven-shaft, gearing connecting said shafts comprising brake-mechanism to `secure reverse drive, and clutch-mechanism to secure forward drive, including a nonaxially movable inclosing-case which is associated with both mechanism, said clutchmechanism, includingits operating-member,

being arranged Within the case, and its operating-member being rotatable with the driven-shait but slidable withA respect thereto, and extended outward through the end of the case and actuating-means for said operating-member and brake-mechanism.

2.k ln a reversing-gearing, a driving-shaft,

cure reverse drive, andclutch-mechanism to secure forward drive, including a nonaxially movc ble inclosing-case which is associated with both mechanisms, said clutch-mechanism, including its operatingmember, being arranged Within the case, and its operating-member being rotatable with thedriven-shaft but slidable with respect thereto, and extended outward through the end ot the case, and having an abutment and actuating-means for said operating-member and brake-mechanism and coperating with said abutment.

3. ln a reversing-gearing, a driving-shaft, a driven-shaft, gearing connecting said shafts comprising brake-mechanism to cure reverse drive, and clutch-mechanism to secure forward drive, including a nonaxially movable inclosing-case which is associated vvith both mechanisms, said clutchmechanism, including its operating-member,

`losing' arranged Within the case, and its opico llO

cure reverse drive, and clutch-mechanism to secure forward drive, including an inclosing-case Which'is associated with both mechanisms7 said clutch-mechanism Aconfiprising clutch-members' and an operating-member arranged Within the case, its operatingt shafts comprising brake-mechanism to sel as cure reversey drive,'and clutch-mechanism to secure forward drive, including an inclosn ing-case Whichis associated With both mech- 4anisms, said clutch-mechanism comprising clutch-members and an operating-member arranged Within the case, its operating-member beingarranged for rotation with, but movable Withv respect to the' driven-shaft, and-extended outward through theend of the case,and actuating-means for said operating-member which is arranged to operate the brake-member. n y 6; Ina reversing-gearing, a driving-shaft, a driven-shaft, gearing connecting said shafts comprising brake-mechanism` for reverse drive, andclutch-mechanism for forward drive, yincluding an inclosing-case Which is yassociated With both mechanisms, said vclutch-mechanism comprising clutchmembers arranged Within said case, and axially movable clutch-operating-means arranged for rotation` With the driven-shaft, but-lslidable` With respect thereto, said clutchoperating-means comprising a clutch-engagingaportion arranged at the inside of the" clutch-members and an abutment connected therewith andfarranged at the outside of the inclosing-case, and meansarranged to move saidy clutch-operating-Ineans axially .which is Vconnected with and arranged yto operate the brake-member.

7. In a reversing-gearing, a driving-shaft, a driven-shaft, gearing connecting said.

shafts comprising a brake-mechanism for reverse drive, and clutch-mechanism for for- Ward drive, including an inclosing-case associated with both mechanisms, saidclutchmechanism having Aan axially -movable clutch-operating-member arranged for rotation with the driven-shaft, but slidable'vvith lrespect thereto, comprising a clutch-engag-V ing-portionarranged at the inside of the ,Clutch-mechanism, and an abutment arranged at the outside of the inclosing-case, and meansk arranged tc engage said abutment and move it axially, and thereby correspondingly move the clutch` engagingmember, said means' being connected With the brake-mechanism.

8. In'areversing-'gearing a driving-shaft, a driven-shaft, gearing connecting said shafts comprising brake-mechanism for reverse drive, and clutch-mechanism for for- .outward through the end of the case, andA having an abutment arranged at the outside of the inclosing-case, levers pivotally supported on the outside of said case having projections arranged forv engagement With said abutment, and means to move said levers onl their pivots, thereby to move axially the abutment and clutch operatinginember,said means beingconnected With the brake-member.

9. In a reversing-gearing, a driving-shaft, a driven-shaft,- gearing connecting said shafts comprising brake-mechanism to secure reverse dri ve, and clutch-mechanism to secure forward drive, 4including a nonaxially movable inclosing-case Whichis associated With both mechanisms, said clutchmechanism, including its Operating-member, being arranged Within the case, and its operating-member being rotatable with the driven-shaft but slidable with respect thereto, and extended outward through the end of the. case, pivoted levers` supported lupon the inclosing-case for movingl said clutch operating-member, and means connected 1th said levers and also WithV the brake-member arranged to actua-te them` both. y i

y l10. In a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts comprising abrale-mechanismv to secure reverse drive, and clutch-mechanism to secure forward drive, and including an inclosing-'case associated with both mechanisms and also an internal-gear se-V cured to the driven-shaft, said clutch-mechanism, including its operating-member, being arranged Within the case, and its operatingmeinber being slidably connected With said internal-gear to rotate vtherewith and extended outivard through the endk of the case yand actuating-means for said operatingmeinber and brake-mechanism. i

11. In a reversing-gearing, a drivingshaft, a driven-shaft,` gearing connecting said shafts comprising a brake-mechanism to secure reverse drive, and clutch-mechanism to secure forward drive, and including an inclosing-case associated with both mechanisms and also an internal-gear secured to the driven-shaft,said clutch-mechanism, including its operating-member, being arrangedy between the end Wall of the case and the internal-gear vand its operating-member being extended outward through the end LWall of' the case and actuating-means for lua said operating-member and brake-mechanism.

l2. ln a. reversing-gearing, a drivingshaft, a. driven-shaft, gearing connecting said shafts comprising a `brake-mechanism to secure reverse drive, and clutch-mechanism to secure forward drive, including an inclosing-case associated with both mechanisms and an internal-gear, said case being extended beyond the internal-gear to provide a wide space between them, said clutchmechanisin and its operating-member being arranged in said space, and its operatingmember being connected for rotation with but slidable with respect to the driven-shaft, and extended outward through the end of the case and actuating-means for said operating-member and brake-mechanism.

13. n a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts, comprising a brake-mechanism to secure reverse drive, a clutch-mechanism to secure forward drive, including a toothedelement, made as a case, and arranged for association with both mechanisms and also to inclose them, and external actuatingmeans for both mechanisms, which are connected together and provided with a single operating-lever. i

M. ln a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts comprising brake-mechanism to secure reverse drive, and clutch-mechanism to secure forward drive, including a toothed element, made as a case, and arranged for association with both mechanisms, and also to inclose them, the clutch-operating-member of said clutch-mechanism being slidably connected with the driven-shaft, and external actuating-means for both mechanisms. which are connected together, and provided with a single operating-lever.

l5. In a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts comprisingv brake-mechanism to secure reverse drive, and clutch-mechanism to secure forward drive, including a toothed element, made as a case, and arranged for association with both mechanisms, andalso to inclose them, said clutch-mechanism, including clutch-plates, slidably engaging said toothed element, and a clutch-operatingmember having means for slidably supporting clutch-plates alternately disposed with respect to the aforesaid clutch-plates, said operating-member being extended through the end of the case and actuating-means for said operating-member and brake-mechanism.

16. ln a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts comprising a brake-mechanism to secure reverse drive, and a clutch-mechanism to secure forward drive, including a non-axially movable toothed element, made as a case, and arranged for association with both mechanisms, and also toinclose them, said clutch-mechanisms including clutchplates slidably engaging said toothed element, and a clutch-operating member having means for slidably supporting clutchplates, alternately disposed with respect to the aforesaid clutch-plates, said operatingmember being arranged for rotation with, but slidable with respect to the driven-shaft, and extended outward through the end wall of the case and actuating-means for said operating-member and brake-mechanism.

17. In a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts comprising a brake-mechanism to secure reverse drive, and a clutch-mechanism to secure forward drive, including a. non-axially movable toothed element, made as a case, and arranged for association with both mechanisms, and also to inclose them, said clutch-mechanisms including clutch-plates slidably engaging said toothed element, and a clutch-operating member having means for slidably supporting clutchplates, alternately disposed with respect to the aforesaid clutch-plates, said operatingmember being slidably connected with an element of the brake-mechanism which is connected with the driven-shaft, and being extended outward through the end of the case and actuating-means for said operating-member and brake-mechanism.

18. ln a reversing-gearing, a drivingshaft, a driven-shaft, gearing connecting said shafts, comprising brake-mechanism to secure reverse drive, and clutch-mechanism to secure forward drive, including an element made as an inclosing-case for both mechanisms, and bearing pinions and havinga toothed-portion forming a component part of the clutch-mechanism, said clutch-mecha!- nism including clutch-plates, slidably engaging said toothed element, and a clutchoperating member having means for slida- Lbly `supporting clutch-plates, alternately disposed with respect to the aforesaid clutch-plates, said operating-member being extended through the end of the case and actuating-means for said operating-member and brake-mechanism.

19. In a reversing-gearing, a drivingsha-ft, a driven-shaft, gearing connecting said shafts, comprising brake-mechanism to secure reverse drive, and clutch-mechanism to secure forward drive, including a nonaXially movable element made as an inclosing-case for both mechanisms, and bearing pinions and having a toothed-portion forming a component part of the clutch-mechanism, said clutch-mechanism including clutch-plates, slidably engaging said toothed element, and a clutch-operating member having means for slidably supporting clutch-plates, alternately disposed with respect to aforesaid clutch-plates, said operating-member being slidably connected with an element-of the brake-mechanism which is connected with thedriven-shaft, and being extended outward through the end of the case and actuating-meansfor said operatingmember and brake-mechanism.

20. In a reversing-gearing, a. drivingshaft, a driven-shaft, gearing connecting said shafts, comprising 'a 4 brake-mechanism to secure reverse drive, including an .internal-gear secured to the driven-shaft, and

vclutch-mechanism towsecure forward drive, including a. non-axially movable element,

made as an inclosing-case for both mechanisms,-.and bearing pinions and having a toothed-portion forming a component part of the clutch-mechanism, said clutch-mechanism including clutch-plates slidably engaging said toothed element, and a` clutch-operating member having means for slidably supporting clutch-plates, alternately disposed with respect to the aforesaid clutchplates, said operating-member being arranged fo'r rotation with, but slidable with respect to, the internal gear.

2l. In ay kreversing-gearing, a drivingshaft, a driven-shaft7 .gearing connectingv saidl shafts comprising brake-mechanism to ysecure reverse drive, and clutch-mechanism p Copies of `this patent may b e obtained for nism to secure'forward drive, said clutchmechanism comprising axially movable clutch-plates and an` axially movable operating-member, actuating-means for said clutch operating-member and brake-mecha.- nism arranged for movement in opposite directions from normal, in one direction to move the clutch operating-memberk into clutch-engaging position, and in the other direction to actuate the brake-mechanism, a component part of said actuating-means being arranged to positively return the clutch loperating-member to normal position when said actuating-means is moved into reversing position.

23. In a reversing-gearing, ay drivingshaft, a driven-shaft, gearing connecting said shafts and comprising brake-mechanism to secure reverse drive, and clutchmechanism to secure forward drive7 including an inclo-sing case associated with botl mechanisms, said clutch-mechanism including its roperating-member being arranged within the case, and its operating-member being rotatable `with the kdriven-shaft, but slidable with respect thereto, and extended outward through the end of the case for engagement with its actuating-means, actuating-means for said member including a thrust-collar arranged on the driven-shaft and adapted when moved in one direction to move axially the clutch operating-membei' to operate the clutch-mechanism, and when moved in the opposite direction to engage and move said clutch` operatingmember, at the end-of its stroke, to insure disengagement ofthe clutch-members.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses. Y

HENRY A. TUTTLE. lVitnesses IIB. Davis, B. J. Novias;y

five cents each, by addressing the Commissioner of Patents. Washington, D. C. 

